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Data buffer and memory device having the same

專利號
US10867640B2
公開日期
2020-12-15
申請人
SK hynix Inc.(KR Gyeonggi-do)
發(fā)明人
Jin Ha Hwang
IPC分類
G11C16/26; G11C7/10; G11C7/06
技術領域
en_1,en_2,memory,node,data,may,voltage,transistor,pmos,d_out
地域: Gyeonggi-do

摘要

There are provided a data buffer and a memory system having the same. The data buffer includes first and second amplifiers configured to output output data by inverting input data, the first and second amplifiers having coupled output nodes to which the output data is output, wherein both of the first and second amplifiers are activated to output the output data when the input data has a first swing level, and wherein one of the first and second amplifiers is activated to output the output data when the input data has a second swing level narrower than the first swing level.

說明書

FIG. 8 is a diagram illustrating detail of a memory device according to an embodiment of the present disclosure.

FIG. 9 is a diagram illustrating an input/output circuit according to an embodiment of the present disclosure.

FIG. 10 is a circuit diagram illustrating a delay buffer according to an embodiment of the present disclosure.

FIG. 11 is a diagram illustrating a memory system according to another embodiment of the present disclosure.

FIG. 12 is a diagram illustrating a memory system according to another embodiment of the present disclosure.

FIG. 13 is a diagram illustrating a memory system according to another embodiment of the present disclosure.

FIG. 14 is a diagram illustrating a memory system according to another embodiment of the present disclosure.

DETAILED DESCRIPTION

In the following detailed description, various embodiments of the present disclosure have been shown and described, simply by way of example. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present disclosure. Accordingly, the drawings and description are to be regarded as illustrative in nature and not restrictive.

權利要求

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